Preliminary

  Human memory is strong.But if we're old,then our memory will down.If you don't do anything,this will speed up dementia.This is can be overcome,that is by playing chess.Playing chess can make our brain work very well.But in the game of chess takes careful thought in order to be won he game.Tactic can be achieved by learning about the theory.The theory will be divide into 3 step;there are opening,middle,and ending.Our opening game,what kind of the game we want;while the middle game is the stage where we will start looking for another opponent's weaknesses.Ending game is the most decisive stage our win or lose.So we should as much as possible to minimize false in this game.One false in this game will result in defeat.